Kartt

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Kartt",
  "version": "1.0.2",
  "description": "See total cost as you shop online.",
  "icons": {
    "80": "/images/Logo_cart_inverted.png"
  },
  "action": {
    "default_icon": {
      "80": "/images/Logo_cart_inverted.png"
    },
    "default_title": "Use Kartt",
    "default_popup": "/src/popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.etsy.com/ca/listing/*"
      ],
      "js": [
        "/src/js/etsy.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "/images/*",
        "/src/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}